Sociology is the study of the development, structure, and functioning of human society. Mostly, sociologists study human interaction, and it has a wide range, from crime to religion. As you can see there are many different fields one can go into if they wish to study sociology. Here are a few examples:

Criminal Justice - law enforcement, corrections, justice system

Business and Industry - advertising, human resources, leadership training, consumer and market research

Education - educational research in elementary, junior high and high school along with colleges and universities